DIN 7980
Federringe für Zylindcrschrauhcn
German
1972
0.000
Detailed Information
Die Oberfläche der Federringe muß glatt und frei von Zunder und Grat sein. Die Federringe müssen ohne Knicke gewunden und ihre äußeren Kanten scharfkantig bis leicht gerundet sein.
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1998
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This European Standard specifies the characteristics of prevailing torque type hexagon nuts with flange, with non-metallic annular insert and metric fine pitch thread with nominal thread diameters d from 8 mm up to and including 20 mm, in product grade A for d ≤ 16 mm and product grade B for d > ...
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1992
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